diff options
Diffstat (limited to 'arch/x86/mm/pageattr.c')
-rw-r--r-- | arch/x86/mm/pageattr.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 1b734d7a8966..895d90e1a81b 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c | |||
@@ -997,12 +997,15 @@ EXPORT_SYMBOL(set_memory_array_uc); | |||
997 | int _set_memory_wc(unsigned long addr, int numpages) | 997 | int _set_memory_wc(unsigned long addr, int numpages) |
998 | { | 998 | { |
999 | int ret; | 999 | int ret; |
1000 | unsigned long addr_copy = addr; | ||
1001 | |||
1000 | ret = change_page_attr_set(&addr, numpages, | 1002 | ret = change_page_attr_set(&addr, numpages, |
1001 | __pgprot(_PAGE_CACHE_UC_MINUS), 0); | 1003 | __pgprot(_PAGE_CACHE_UC_MINUS), 0); |
1002 | |||
1003 | if (!ret) { | 1004 | if (!ret) { |
1004 | ret = change_page_attr_set(&addr, numpages, | 1005 | ret = change_page_attr_set_clr(&addr_copy, numpages, |
1005 | __pgprot(_PAGE_CACHE_WC), 0); | 1006 | __pgprot(_PAGE_CACHE_WC), |
1007 | __pgprot(_PAGE_CACHE_MASK), | ||
1008 | 0, 0, NULL); | ||
1006 | } | 1009 | } |
1007 | return ret; | 1010 | return ret; |
1008 | } | 1011 | } |